Detections
Explore public detection logic contributed by the community across SIEM and rule languages.
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Detects high volumes of file rename operations within a short timeframe, which is a behavioral indicator often associated with the encryption process of ransomware such as CRPx0.
Detects the suspicious registration of a Cloud Filter provider callback using staging paths and naming conventions associated with the ShieldCrash (CVE-2026-69414) exploit. The rule monitors DeviceEvents for cloud provider activity that originates from unsigned or untrusted binaries, excluding known-legitimate cloud synchronization clients.
Detects malformed HEIF/HEIC image files with anomalous ftyp/box structure consistent with the libheif memory corruption exploit (CVE-2026-32882) used against Discourse forum image upload endpoints
Detects malformed HEIF/HEIC image files with anomalous ftyp/box structure consistent with the libheif memory corruption exploit (CVE-2026-32882) used against Discourse forum image upload endpoints
Detects the presence of specific versions (2.35 and 2.36) of the Admin Menu Editor Pro WordPress plugin, which were reported to be distributed as trojanized versions via a compromised update infrastructure.
Detects the installation or modification of a browser extension (manifest.json file creation) followed by network activity from the browser to trusted AI assistant domains within a five-minute window. This behavior is indicative of potentially malicious browser extensions or content scripts being introduced to intercept or manipulate user interaction with AI services.
This rule monitors for processes named 'msedge.exe' executing from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. The rule filters out legitimate Edge update processes and common browser command-line arguments to isolate potentially malicious masquerading attempts by identifying binaries that share the name of a legitimate application but reside in unexpected, often non-standard locations.
Detects instances where a process named msedge.exe is running from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. This is a common location used by attackers to hide malicious executables by masquerading them as legitimate browser processes, particularly when the process command line includes arguments like 'preview' or 'thumbnail' which are often used to blend in with background system activity.
Detects instances where a process named msedge.exe is running from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. This is a common location used by attackers to hide malicious executables by masquerading them as legitimate browser processes, particularly when the process command line includes arguments like 'preview' or 'thumbnail' which are often used to blend in with background system activity.
Detects instances where a process named msedge.exe is running from the 'C:\ProgramData\Microsoft\Windows\Telemetry\' directory. This is a common location used by attackers to hide malicious executables by masquerading them as legitimate browser processes, particularly when the process command line includes arguments like 'preview' or 'thumbnail' which are often used to blend in with background system activity.
Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
Detects indicators of compromise related to the TraderTraitor (KelpDAO) threat actor, including specific file hashes, malicious process paths, C2 network infrastructure (IPs and domains), and malicious TLS certificates. The rule uses filename-path matching to reduce noise from legitimate macOS binaries.
Detects creation of .git-checker files in temporary directories, a pattern associated with potential malicious activity.
Detects creation of .git-checker files in temporary directories, a pattern associated with potential malicious activity.
Detects creation of .git-checker files in temporary directories, a pattern associated with potential malicious activity.
Detects creation of .git-checker files in temporary directories, a pattern associated with potential malicious activity.
Detects the GHAPPIER loader payload concealed as a single line deep inside a large (~99KB) legitimate-looking JavaScript file, fetching and eval'ing remote code
Detects the GHAPPIER loader payload concealed as a single line deep inside a large (~99KB) legitimate-looking JavaScript file, fetching and eval'ing remote code
Detects the GHAPPIER loader payload concealed as a single line deep inside a large (~99KB) legitimate-looking JavaScript file, fetching and eval'ing remote code
Detects the GHAPPIER loader payload concealed as a single line deep inside a large (~99KB) legitimate-looking JavaScript file, fetching and eval'ing remote code
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